iio: fix memory leak in iio_device_register_eventset()

{
  "id": "dd0e7fd73c7a33d8bc7cac6435c750a8c7c74685ee5a83a48592865e0d820bf4",
  "url": "https://osv.dev/vulnerability/CVE-2022-50561",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "iio: fix memory leak in iio_device_register_eventset()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: iio: fix memory leak in iio_device_register_eventset() When iio_device_register_sysfs_group() returns failed, iio_device_register_eventset() needs to free attrs array. Otherwise, kmemleak would scan & report memory leak as below: unreferenced object 0xffff88810a1cc3c0 (size 32): comm \"100-i2c-vcnl302\", pid 728, jiffies 4295052307 (age 156.027s) backtrace: __kmalloc+0x46/0x1b0 iio_device_register_eventset at drivers/iio/industrialio-event.c:541 __iio_device_register at drivers/iio/industrialio-core.c:1959 __devm_iio_device_register at drivers/iio/industrialio-core.c:2040",
    "evidence": "osv:CVE-2022-50561",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.15.86",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.0.16",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-50561",
      "aliases": [
        "CVE-2022-50561"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "32f171724e5cbecc80594fb6eced057cfdd6eb6f"
                },
                {
                  "fixed": "dc6afd6070f3a5b086c8c5cfa6ded63ae44494da"
                },
                {
                  "fixed": "5de3add7509c95685f1185683b817dd206c4b1f1"
                },
                {
                  "fixed": "a154b1c139fbf6a49762159be81d425d41ceec87"
                },
                {
                  "fixed": "86fdd15e10e404e70ecb2a3bff24d70356d42b36"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50561.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.13.0"
                },
                {
                  "fixed": "5.15.86"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.0.16"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.1.0"
                },
                {
                  "fixed": "6.1.2"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50561.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:22.633890635Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/5de3add7509c95685f1185683b817dd206c4b1f1",
        "https://git.kernel.org/stable/c/86fdd15e10e404e70ecb2a3bff24d70356d42b36",
        "https://git.kernel.org/stable/c/a154b1c139fbf6a49762159be81d425d41ceec87",
        "https://git.kernel.org/stable/c/dc6afd6070f3a5b086c8c5cfa6ded63ae44494da",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50561.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50561",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50561.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-50561",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 489211,
  "published_at": "2025-10-22T13:23:20.802+00:00"
}